<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta content="en" name="language">
	<title>GraphicsMagick Copyrights and Licenses</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
	<link media="screen" href="docutils-articles.css" type="text/css" rel="stylesheet">

</head>

<body>

<div class="banner">
<img src="images/gm-107x76.png" alt="GraphicMagick logo" width="107" height="76" />
<span class="title">GraphicsMagick</span>
<form action="http://www.google.com/search">
  <input type="hidden" name="domains" value="www.graphicsmagick.org" />
  <input type="hidden" name="sitesearch" value="www.graphicsmagick.org" />
<span class="nowrap"><input type="text" name="q" size="25" maxlength="255" />&nbsp;<input type="submit" name="sa" value="Search" /></span>
</form>
</div>


<div class="navmenu">
<ul>
  <li><a href="index.html">Home</a></li>
  <li><a href="project.html">Project</a></li>
  <li><a href="download.html">Download</a></li>
  <li><a href="README.html">Install</a></li>
  <li><a href="Hg.html">Source</a></li>
  <li><a href="NEWS.html">News</a> </li>
  <li><a href="utilities.html">Utilities</a></li>
  <li><a href="programming.html">Programming</a></li>
  <li><a href="reference.html">Reference</a></li>
</ul>
</div>

<main id="graphicsmagick-copyrights-and-licenses">
<h1 class="title">GraphicsMagick Copyrights and Licenses</h1>
<!-- -*- mode: rst -*- -->
<!-- This text is in reStucturedText format, so it may look a bit odd. -->
<!-- See http://docutils.sourceforge.net/rst.html for details. -->
<p>This file is part of the GraphicsMagick software distributed by the
GraphicsMagick Group.</p>
<blockquote>
<p>[<em>Please note that the legal community considers 15 or more
total lines of code or text (not necessarily contiguous) to
be significant for the purposes of copyright. Repeated
changes such as renaming a symbol has similar significance
to changing one line of code.</em>]</p>
</blockquote>
<p>The licenses which components of this software fall under are as follows.</p>
<ol class="arabic">
<li><p>In November 2002, the GraphicsMagick Group created GraphicsMagick
from ImageMagick Studio's ImageMagick and applied the &quot;MIT&quot; style
license:</p>
<p>Copyright (C) 2002-2025 GraphicsMagick Group</p>
<p>Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the &quot;Software&quot;), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:</p>
<p>The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.</p>
<p>THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.</p>
</li>
<li><p>In October 1999, ImageMagick Studio assumed the responsibility for
the development of ImageMagick (forking from the distribution by
E. I. du Pont de Nemours and Company) and applied a new license:</p>
<p>Copyright (C) 2002 ImageMagick Studio, a non-profit organization dedicated
to making software imaging solutions freely available.</p>
<p>Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (&quot;ImageMagick&quot;),
to deal in ImageMagick without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of ImageMagick, and to permit persons to whom the
ImageMagick is furnished to do so, subject to the following conditions:</p>
<p>The above copyright notice and this permission notice shall be included in
all copies or substantial portions of ImageMagick.</p>
<p>The software is provided &quot;as is&quot;, without warranty of any kind, express or
implied, including but not limited to the warranties of merchantability,
fitness for a particular purpose and noninfringement.  In no event shall
ImageMagick Studio be liable for any claim, damages or other liability,
whether in an action of contract, tort or otherwise, arising from, out of
or in connection with ImageMagick or the use or other dealings in
ImageMagick.</p>
<p>Except as contained in this notice, the name of the ImageMagick Studio
shall not be used in advertising or otherwise to promote the sale, use or
other dealings in ImageMagick without prior written authorization from the
ImageMagick Studio.</p>
</li>
<li><p>From 1991 to October 1999 (through ImageMagick 4.2.9), ImageMagick
was developed and distributed by E. I. du Pont de Nemours and
Company:</p>
<p>Copyright 1999 E. I. du Pont de Nemours and Company</p>
<p>Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files
(&quot;ImageMagick&quot;), to deal in ImageMagick without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of ImageMagick, and to
permit persons to whom the ImageMagick is furnished to do so, subject
to the following conditions:</p>
<p>The above copyright notice and this permission notice shall be included
in all copies or substantial portions of ImageMagick.</p>
<p>The software is provided &quot;as is&quot;, without warranty of any kind, express
or implied, including but not limited to the warranties of
merchantability, fitness for a particular purpose and noninfringement.
In no event shall E. I. du Pont de Nemours and Company be liable for
any claim, damages or other liability, whether in an action of
contract, tort or otherwise, arising from, out of or in connection with
ImageMagick or the use or other dealings in ImageMagick.</p>
<p>Except as contained in this notice, the name of the E. I. du Pont de
Nemours and Company shall not be used in advertising or otherwise to
promote the sale, use or other dealings in ImageMagick without prior
written authorization from the E. I. du Pont de Nemours and Company.</p>
</li>
<li><p>The GraphicsMagick Base64Decode() and Base64Encode() functions are
based on source code obtained from OpenSSH. This source code is
distributed under the following license:</p>
<p>Copyright (c) 2000 Markus Friedl.  All rights reserved.</p>
<p>Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:</p>
<ol class="arabic simple">
<li><p>Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.</p></li>
<li><p>Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.</p></li>
</ol>
<p>THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</p>
</li>
<li><p>Many of the pattern images in coders/logo.c are derived from XFig,
which is distributed under the following license:</p>
<div class="line-block">
<div class="line">FIG : Facility for Interactive Generation of figures</div>
<div class="line">Copyright (c) 1985-1988 by Supoj Sutanthavibul</div>
<div class="line">Parts Copyright (c) 1989-2000 by Brian V. Smith</div>
<div class="line">Parts Copyright (c) 1991 by Paul King</div>
</div>
<p>Any party obtaining a copy of these files is granted, free of charge, a
full and unrestricted irrevocable, world-wide, paid up, royalty-free,
nonexclusive right and license to deal in this software and
documentation files (the &quot;Software&quot;), including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons who receive
copies from any such party to do so, with the only requirement being
that this copyright notice remain intact.</p>
</li>
<li><p>The documentation for the composition operators is copied from the
rlecomp manual page, which is authored by Rod Bogart and John W.
Peterson. Rlecomp is part of the Utah Raster Toolkit distributed by the
University of Michigan and the University of Utah. The copyright for
this manual page is as follows:</p>
<p>Copyright (c) 1986, University of Utah</p>
<p>This software is copyrighted as noted below.  It may be freely copied,
modified, and redistributed, provided that the copyright notice is
preserved on all copies.</p>
<p>There is no warranty or other guarantee of fitness for this software,
it is provided solely &quot;as is&quot;.  Bug reports or fixes may be sent
to the author, who may or may not act on them as he desires.</p>
<p>You may not include this software in a program or other software product
without supplying the source, or without informing the end-user that the
source is available for no extra charge.</p>
<p>If you modify this software, you should include a notice giving the
name of the person performing the modification, the date of modification,
and the reason for such modification.</p>
</li>
<li><p>The source code comprising magick_endian.c is originally derived
from libtiff which has the following license:</p>
<div class="line-block">
<div class="line">Copyright (c) 1988-1997 Sam Leffler</div>
<div class="line">Copyright (c) 1991-1997 Silicon Graphics, Inc.</div>
</div>
<p>Permission to use, copy, modify, distribute, and sell this software and
its documentation for any purpose is hereby granted without fee, provided
that (i) the above copyright notices and this permission notice appear in
all copies of the software and related documentation, and (ii) the names of
Sam Leffler and Silicon Graphics may not be used in any advertising or
publicity relating to the software without the specific, prior written
permission of Sam Leffler and Silicon Graphics.</p>
<p>THE SOFTWARE IS PROVIDED &quot;AS-IS&quot; AND WITHOUT WARRANTY OF ANY KIND,
EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.</p>
<p>IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
OF THIS SOFTWARE.</p>
</li>
<li><p>The C++ API known as &quot;Magick++&quot;, and which resides in the Magick++
directory, is distributed under the following license:</p>
<p>Copyright 1999 - 2012 Bob Friesenhahn &lt;<a class="reference external" href="mailto:bfriesen&#37;&#52;&#48;simple&#46;dallas&#46;tx&#46;us">bfriesen<span>&#64;</span>simple<span>&#46;</span>dallas<span>&#46;</span>tx<span>&#46;</span>us</a>&gt;</p>
<p>Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(&quot;Magick++&quot;), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject
to the following conditions:</p>
<p>The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.</p>
<p>THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.</p>
</li>
<li><p>The GraphicsMagick HaldClutImagePixels() function in magick/hclut.c
is based on source code from the HaldCLUT package by Eskil Steenberg
(<a class="reference external" href="http://www.quelsolaar.com/technology/clut.html">http://www.quelsolaar.com/technology/clut.html</a>) which is
distributed under the following license:</p>
<p>Copyright (c) 2005 Eskil Steenberg.  All rights reserved.</p>
<p>Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:</p>
<ol class="arabic simple">
<li><p>Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.</p></li>
<li><p>Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.</p></li>
</ol>
<p>THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</p>
</li>
<li><p>GraphicsMagick makes use of third-party &quot;delegate&quot; libraries to
support certain optional features. These libraries bear their own
copyrights and licenses, which may be more or less restrictive than the
GraphicsMagick license. For convenience, when GraphicsMagick is
bundled with (or compiled with) &quot;delegate&quot; libraries, a copy of the
licenses for these libraries is provided in a &quot;licenses&quot; directory.</p></li>
</ol>
</main>


<hr class="docutils">
<div class="document">
    <p><a href="Copyright.html">Copyright</a> © GraphicsMagick Group 2002-2025<!--SPONSOR_LOGO--></p>
</div>

</main>
</body>
</html>
